add i18n

packages/app/public/static/locales/en_US/translation.json

@@ -725,7 +725,8 @@
     "Password field is required": "Password field is required.",
     "Username or E-mail has invalid characters": "Username or E-mail has invalid characters.",
     "Password minimum character should be more than 6 characters": "Password minimum character should be more than 6 characters.",
-    "user_not_found": "User not found."
+    "user_not_found": "User not found.",
+    "provider_duplicated_username_exception": "<p><strong><i class='icon-fw icon-ban'></i>DuplicatedUsernameException occured</strong></p><p class='mb-0'> Your {{ failedProviderForDuplicatedUsernameException }} authentication was succeeded, but a new user could not be created. See the issue <a href='https://github.com/weseek/growi/issues/193'>#193</a>.</p>"
   },
   "grid_edit":{
     "create_bootstrap_4_grid":"Create Bootstrap 4 Grid",

packages/app/public/static/locales/ja_JP/translation.json

@@ -725,7 +725,8 @@
     "Password field is required": "パスワードの欄は必ず入力してください",
     "Username or E-mail has invalid characters": "ユーザー名または、メールアドレスに無効な文字があります",
     "Password minimum character should be more than 6 characters": "パスワードの最小文字数は6文字以上です",
-    "user_not_found": "ユーザーが見つかりません"
+    "user_not_found": "ユーザーが見つかりません",
+    "provider_duplicated_username_exception": "<p><strong><i class='icon-fw icon-ban'></i>エラー: DuplicatedUsernameException</strong></p><p class='mb-0'> {{ failedProviderForDuplicatedUsernameException }} 認証は成功しましたが、新しいユーザーを作成できませんでした。詳しくは<a href='https://github.com/weseek/growi/issues/193'>こちら: #193</a>.</p>"
   },
   "grid_edit":{
     "create_bootstrap_4_grid":"Bootstrap 4 グリッドを作成",

packages/app/public/static/locales/zh_CN/translation.json

@@ -781,7 +781,8 @@
     "Password field is required": "密码字段是必需的",
     "Username or E-mail has invalid characters": "用户名或电子邮件有无效的字符",
     "Password minimum character should be more than 6 characters": "密码最小字符应超过6个字符",
-    "user_not_found": "未找到用户"
+    "user_not_found": "未找到用户",
+    "provider_duplicated_username_exception": "<p><strong><i class='icon-fw icon-ban'></i>发生了重复用户名异常</strong></p><p class='mb-0'> 你的 {{ failedProviderForDuplicatedUsernameException }} 认证成功了，但不能创建新的用户。参见问题<a href='https://github.com/weseek/growi/issues/193'>#193</a>.</p>"
 	},
   "grid_edit":{
     "create_bootstrap_4_grid":"创建Bootstrap 4网格",